Home / 2,107,665.40-3,152,166.90-1,771,742.20

Finding the Fourth Proportional to 2,107,665.40, 3,152,166.90 and 1,771,742.20

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Solution

The fourth proportional to 2,107,665.40, 3,152,166.90 and 1,771,742.20 is: 2,649,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,665.40 : 3,152,166.90 = 1,771,742.20 : x
  2. Step 2: Convert to fraction form
    2,107,665.40/3,152,166.90 = 1,771,742.20/x
  3. Step 3: Cross multiply
    2,107,665.40x = 3,152,166.90 × 1,771,742.20
  4. Step 4: Simplify right side
    2,107,665.40x = 5,584,827,118,173.18
  5. Step 5: Solve for x
    x = 5,584,827,118,173.18/2,107,665.40
  6. Step 6: Final answer
    x = 2,649,769.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.